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2467395
Homeostasis
Description
Temperature control Mineral/Ion content Water content Sugar/Glucose levels
No tags specified
biology
gcse/o-level
Mind Map by
zodored15
, updated more than 1 year ago
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Created by
zodored15
over 9 years ago
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Resource summary
Homeostasis
SUGAR CONTENT
Diabetes
Type 1
Genetic disorder
Failure to produce enough insulin
Insulin injections required
Type 2
Failure to respond to insulin
Don't eat too much carbohydrates
Insulin
Produced by the pancreas
Acts on the liver
Converts excess glucose to glycogen
Glucagon converts glycogen back to glucose
MINERAL/ION CONTENT
WATER CONTENT
Gain
Respiring
Drinking
Eating
Loss
Defecating
Urinating
Breathing
Sweating
Kidney
ADH
Hormone controls the amount of water taken back into the blood
Produced by the pituitary gland
Alcohol reduces ADH release
Ecstasy increases ADH release
TEMPERATURE
37 degrees
Vasodilation
Increased sweat production
Widened blood vessels
Blood flow nearer skin surface
Vasoconstriction
Decreased sweat production
Closing down of blood vessels close to skin
Too low - hypothermia
Too high - heat stroke
Thermoregulatory centre
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